National Institute on Deafness and Other Communication Disordershttp://www.nidcd.nih.govThis division of the National Institutes of Health is devoted to preventing, detecting, diagnosing, and treating hearing problems and other communication disorders.

American Academy of Audiologyhttp://www.audiology.orgThe American Academy of Audiology, the world's largest professional organization of, by and for more than 10,000 audiologists, is dedicated to providing quality hearing care to the public.